Alamosa, Alamosa County, Colorado Property Taxes
Median Alamosa, CO effective property tax rate: 0.41%, significantly lower than the national median of 1.02%, but lower than the Colorado state median of 0.55%.
Median Alamosa, CO home value: $193,880
Median annual Alamosa, CO tax bill: $715, $1,685 lower than the national median property tax bill of $2,400.
How are property taxes in Alamosa calculated?
Property taxes in Alamosa, CO are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Alamosa’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Alamosa, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Alamosa, Alamosa County, Colorado Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.41%
Estimate Property Tax Bill
$795
$738
Property Tax Rates Across Alamosa, Alamosa County, Colorado
Local government entities are responsible for setting tax rates, which can differ significantly within a state. This is because each county annually estimates its required budget to provide essential services and divides that by the total value of all taxable property within its jurisdiction. This calculation determines the property tax rate. Although votes and laws play a role in establishing tax rates and budgets, this is the fundamental annual process.
In Alamosa, CO, the effective property tax rate offers an interesting comparison to other cities in Colorado and the national median property tax rate. With a rate of 0.41%, Alamosa's property tax rate is significantly lower than the national median of 1.02%. This means that property owners in Alamosa pay considerably less in property taxes compared to the national average. Such a low tax rate can be an attractive factor for potential homeowners or investors considering properties in the area. Understanding these differences in tax rates can help property owners make informed decisions about purchasing or investing in property in Alamosa and similar regions.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Alamosa Tax Rate
0.41%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Alamosa County Tax Rate
0.41%
Median Effective Colorado Tax Rate
0.55%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Alamosa, Alamosa County, Colorado
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
81101 | 0.23% | 0.36% | 0.41% | 0.44% | 0.55% |
Source: Ownwell
Property Tax Assessment Values Across Alamosa, Alamosa County, Colorado
When examining property taxes in Alamosa, CO, understanding the distinction between "market value" and "assessed value" is crucial. The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Alamosa County Assessor's Office estimates the market value for tax purposes. The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices: In Alamosa County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of May. Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Alamosa.
For example, the median home price in Alamosa is $193,880, with tax bills ranging significantly across the county. Zip code 81101 has the highest median home price at $193,880.
Property Tax Assessment Values Across Alamosa, Alamosa County, Colorado
Source: Ownwell

$27,526
$154,172
$280,818
Median Alamosa Market Value
$193,880
Median Alamosa County Market Value
$189,361
Median Colorado Market Value
$405,540
Median United States Market Value
$235,294
Property Tax Assessment Values Across Alamosa, Alamosa County, Colorado
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
81101 | $9,731 | $100,960 | $193,880 | $279,742 | $380,855 |
Source: Ownwell
Property Tax Bills Across Alamosa, Alamosa County, Colorado
Median Alamosa Tax Bill
$715
Median Alamosa County Tax Bill
$694
Median Colorado Tax Bill
$2,283
Median United States Tax Bill
$2,400
Property Tax Bills Across Alamosa, Alamosa County, Colorado
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
81101 | $48 | $334 | $715 | $1,065 | $1,516 |
Source: Ownwell